Climatological Report (Daily)
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839
CDUS46 KMTR 040032
CLISFO

CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
532 PM PDT FRI OCT 03 2025

...................................

...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR OCTOBER 3 2025...
VALID TODAY AS OF 0500 PM LOCAL TIME.

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1927 TO 2025


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
...................................................................
TEMPERATURE (F)
 TODAY
  MAXIMUM         69        MM  95    2014  74     -5       88
  MINIMUM         60        MM  42    1954  55      5       61
  AVERAGE         65                        65      0       75

PRECIPITATION (IN)
  TODAY            0.00          0.16 2011   0.02  -0.02     0.00
  MONTH TO DATE    0.13                      0.04   0.09     0.00
  SINCE OCT 1      0.13                      0.04   0.09     0.00
  SINCE JAN 1      7.75                     12.71  -4.96    14.90

SNOWFALL (IN)
  TODAY           MM             0.0
  MONTH TO DATE    T
  SINCE SEP 1      T
  SINCE JUL 1      T
  SNOW DEPTH      MM

DEGREE DAYS
 HEATING
  TODAY            0                         2     -2        0
  MONTH TO DATE    0                         6     -6        0
  SINCE SEP 1      3                        52    -49       74
  SINCE JUL 1     93                       154    -61      204

 COOLING
  TODAY            0                         2     -2       10
  MONTH TO DATE    3                         6     -3       37
  SINCE SEP 1     81                        62     19       61
  SINCE JAN 1    131                       172    -41      135
...................................................................


WIND (MPH)
  RESULTANT WIND SPEED  15   RESULTANT WIND DIRECTION   W (280)
  HIGHEST WIND SPEED    23   HIGHEST WIND DIRECTION     W (270)
  HIGHEST GUST SPEED    31   HIGHEST GUST DIRECTION     W (280)
  AVERAGE WIND SPEED    14.7


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.6


WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
  NO SIGNIFICANT WEATHER WAS OBSERVED.


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    84          12:00 AM
 LOWEST     61           2:00 PM
 AVERAGE    73

..........................................................


THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   74        95      1987
 MINIMUM TEMPERATURE (F)   55        47      1989


SUNRISE AND SUNSET
OCTOBER  3 2025.......SUNRISE   7:07 AM PDT   SUNSET   6:49 PM PDT
OCTOBER  4 2025.......SUNRISE   7:08 AM PDT   SUNSET   6:47 PM PDT


-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.




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